The National Geographic Magazine, Volume 97National Geographic Society, 1950 - Geography Indexes kept up to date with supplements. |
From inside the book
Results 1-3 of 80
Page 815
Today this is largely overcome by metallized cotton cords that conduct the discharges off Rods Protect Even Trees and Monuments into space without causing static . Lightning rods are used to protect historic and valuable trees ...
Today this is largely overcome by metallized cotton cords that conduct the discharges off Rods Protect Even Trees and Monuments into space without causing static . Lightning rods are used to protect historic and valuable trees ...
Page 813
As the charge in the earth moves along, it swarms up trees, buildings, chimneys, and steeples in its path in an effort to reach the cloud. Soon the charge in the cloud begins to send down a short spurt or “leader” stroke toward the ...
As the charge in the earth moves along, it swarms up trees, buildings, chimneys, and steeples in its path in an effort to reach the cloud. Soon the charge in the cloud begins to send down a short spurt or “leader” stroke toward the ...
Page 815
Rods Protect Even Trees and Monuments Lightning rods are used to protect historic and valuable trees, and many important monuments are equipped with them, including the Statue of Liberty in New York Harbor and the Washington Monument ...
Rods Protect Even Trees and Monuments Lightning rods are used to protect historic and valuable trees, and many important monuments are equipped with them, including the Statue of Liberty in New York Harbor and the Washington Monument ...
What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
Common terms and phrases
Address Africa American beauty Bermuda birds boys breadfruit British building built called camp carry City collection College color Company complete early East feet fields fish gardens give green hand head hills identifies Illustrations island Japanese John Kodachrome Lake land later Library live look Mention the National Michigan miles mountain National Geographic Magazine National Geographic Society natural night Office Pacific Panama paradise Park Photographer picture Plan plant President printed record River road Robert Rock ship South species stands Street summer television tion town train trees turned United vacation Valley Washington watch West women Write York young